●Add a designated flat cutting on the shank.Range of designationP・Kmax／2＋1.2≦SKF＜D／2（angular button dies）d／2＋1≦SKF＜D／2（button dies）5000 ーMKh1D 6 8101316202225ー0.01P・WK（angle of blanking hole）AN（standard dimension of blanking hole）ANC（designated dimension of blanking hole）Dー0.5h.ddPBbdPBbd121BLWP6iseD nottuBー0.0150 BRetaining processingFlat cutting on the shankBlanking hole alterationBlanking hole dimension alterationStarting hole cancellingSlanted grooves additionStep processing on the tipSKC 0ー0.01＝D/2ー1SKF 0SKF 0UNCUNCANC±0.1120°90°Standard typeEconomy typeDrawing 1P50Drawing 20.6 or moreShaped holeWireDrawing 31.5 Drawing 3373Add.Code@/PKM（400）●Add a key flat to retain straight button dies.Range of designation5≦KM＜LUnit of designation 0.1The processing position is opposite to the flat.D≧6 is available.Combined with WKC is not available.SKC（600）●Add a flat cutting on the shank.Headed type is available only.Combined with KC・WKC・CKC・WKF・SKF・NKC are not available.Range of applicationD≧8 L≧20SKF（Headed type 800）（Straight type：Round 800Special shaped 200）（Straight long shaped hole type：Round 200Special shaped 200）Range of applicationD≧8 L≧20Unit of designation 0.1Combined with KC・WKC・SKC・CKC・WKF・NKC are not available.UNC（800）●Alter blanking hole according to designated dimension.For scrap retention button dies, scrap will be retained when being punched to the end of B dimension.Range of designationP・W・K＜UNC≦dUnit of designation 0.1Process a blanking hole with diameter UNC from d dimension side to the end of B dimension.For economy type, B＝2.Combined with BC, inner blanking hole alteration is available.Express is not available.For button dies, scrap retention types are not available.ANC（200）●Alter the blanking hole of angular button dies according to designated dimension.Range of designationAN＜ANC≦P＋4≦Pmax （AN＝P＋（L−B）／50） Drawing 1 K（angle of blanking hole）≦5 （K=tan−1｛（ANC−P）／2（L−B）｝） Drawing 1 Drawing 2 B≦（P−0.6）／tanK （Round） B≦（W−0.6）／tanK （Special shaped） Drawing 2 0.1Unit of designationAlter AN to ANC within the range of PCmax by 1/50 taper increment.Angle（K）of blanking hole is 5°max.The distance between shaped hole length B（C） and wire is 0.6mm min. Drawing 2For special shaped hole, entire processing was applied according to the blanking hole angle K calculated from P dimension and ANC dimension. NNHC（−100）●Cancel starting hole.Button die blanks are available.SRC（800）●Add slanted grooves（N）.Range of designation4≦N≦6Processing position 360°／NFor round type, P≧4.00 is available.For N＝4, refer to left drawing.TYC（200）●Add a step on the tip.For processing dimension, refer to left drawing.Combined with HCC・HRC are not available.Spec. Shape Alteration
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